Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Increase its smoke point Increase its octane number Reduce gum formation Reduce the pour point Increase its smoke point Increase its octane number Reduce gum formation Reduce the pour point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Precipitate wax Depress its pour point Dissolve wax Remove wax Precipitate wax Depress its pour point Dissolve wax Remove wax ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Pick out the correct statement about catalytic polymerisation. H₂SO₄ polymerisation process gives gasoline rich in unsaturates In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive Both A & B Neither A nor B H₂SO₄ polymerisation process gives gasoline rich in unsaturates In H₂SO₄ polymerisation, H₃PO₄ is always used with 2% steam to prevent meta & ortho H₃PO₄ formation, which are inactive Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering __________ converts n-paraffins to i-paraffins. Polymerisation Alkylation Isomerisation None of these Polymerisation Alkylation Isomerisation None of these ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Catalyst used in alkylation process is Alumina Nickel Silica gel Sulphuric acid Alumina Nickel Silica gel Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering The terminology used for the bottom most product from the vacuum crude distillation unit is Residuum Petrolatum Residual crude Reduced crude Residuum Petrolatum Residual crude Reduced crude ANSWER DOWNLOAD EXAMIANS APP
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